योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-127, verse-30

तच्च सूक्ष्ममिदं तत्त्वं तिरोहितमविद्यया ।
यथा स्थलेषु लोकानां जलेष्वात्मसु संशयः ॥ ३० ॥

tacca sūkṣmamidaṃ tattvaṃ tirohitamavidyayā ,
yathā sthaleṣu lokānāṃ jaleṣvātmasu saṃśayaḥ 30

30. tat ca sūkṣmam idam tattvam tirohitam avidyayā
yathā sthaleṣu lokānām jaleṣu ātmasu saṃśayaḥ

30. tat sūkṣmam idam tattvam ca avidyayā tirohitam
yathā lokānām sthaleṣu jaleṣu ātmasu saṃśayaḥ

30. This subtle ultimate reality (tattva) is concealed by ignorance (avidyā), just as people have doubt (saṃśaya) about water in mirages on dry land, or about the self (ātman).

Words meanings summery:

• तत् (tat) - that, it

• च (ca) - and, also

• सूक्ष्मम् (sūkṣmam) - subtle, fine, minute

• इदम् (idam) - this

• तत्त्वम् (tattvam) - truth, reality, principle, essence, ultimate reality

• तिरोहितम् (tirohitam) - concealed, hidden, disappeared

• अविद्यया (avidyayā) - by ignorance, by nescience

• यथा (yathā) - just as, as, in which way

• स्थलेषु (sthaleṣu) - on dry land (implying mirages) (in places, on dry land, in situations)

• लोकानाम् (lokānām) - of people, of the worlds

• जलेषु (jaleṣu) - regarding water (e.g., mirages where water is perceived but not real) (in waters, regarding water)

• आत्मसु (ātmasu) - regarding the self (ātman) (in the selves, regarding the self)

• संशयः (saṁśayaḥ) - doubt, uncertainty, perplexity

Words meanings and morphology

तत् (tat) - that, it

(pronoun)

Nominative, neuter, singular of tad

tad - that, it, he, she

च (ca) - and, also

(indeclinable)

सूक्ष्मम् (sūkṣmam) - subtle, fine, minute

(adjective)

Nominative, neuter, singular of sūkṣma

sūkṣma - subtle, fine, minute, delicate, atomic

Note: Agrees with 'tattvam'.

इदम् (idam) - this

(pronoun)

Nominative, neuter, singular of idam

idam - this, here

Note: Agrees with 'tattvam'.

तत्त्वम् (tattvam) - truth, reality, principle, essence, ultimate reality

(noun)

Nominative, neuter, singular of tattva

tattva - truth, reality, principle, essence, ultimate reality (tattva)

Note: Subject of the sentence.

तिरोहितम् (tirohitam) - concealed, hidden, disappeared

(adjective)

Nominative, neuter, singular of tirohita

tirohita - concealed, hidden, disappeared, gone out of sight

Past Passive Participle

Derived from the root 'dhā' (to place, put) with the prefix 'tiras-' (away, aside)

Prefix: tiras

Root: dhā (class 3)

अविद्यया (avidyayā) - by ignorance, by nescience

(noun)

Instrumental, feminine, singular of avidyā

avidyā - ignorance (avidyā), nescience, false knowledge

Compound type : nañ-tatpuruṣa (a+vidyā)

• a – not, non-
  indeclinable
• vidyā – knowledge, learning, science
  noun (feminine)

यथा (yathā) - just as, as, in which way

(indeclinable)

स्थलेषु (sthaleṣu) - on dry land (implying mirages) (in places, on dry land, in situations)

(noun)

Locative, neuter, plural of sthala

sthala - dry land, place, site, situation

लोकानाम् (lokānām) - of people, of the worlds

(noun)

Genitive, masculine, plural of loka

loka - people, world, realm, folk

जलेषु (jaleṣu) - regarding water (e.g., mirages where water is perceived but not real) (in waters, regarding water)

(noun)

Locative, neuter, plural of jala

jala - water

आत्मसु (ātmasu) - regarding the self (ātman) (in the selves, regarding the self)

(noun)

Locative, masculine, plural of ātman

ātman - self (ātman), soul, essence, breath

संशयः (saṁśayaḥ) - doubt, uncertainty, perplexity

(noun)

Nominative, masculine, singular of saṃśaya

saṁśaya - doubt (saṃśaya), uncertainty, perplexity, suspicion

Note: Implied verb 'is' or 'arises'.